BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 203 62.8%
2 United States 51 15.8%
3 Germany 39 12.1%
4 Macao 4 1.2%
5 Malaysia 4 1.2%
6 Russia 4 1.2%
7 Taiwan 3 0.9%
8 Georgia 2 0.6%
9 Hong Kong 2 0.6%
10 Ireland 2 0.6%
11 Korea, Republic of 2 0.6%
12 Benin 2 0.6%
13 Brazil 2 0.6%
14 Canada 1 0.3%
15 Estonia 1 0.3%
16 Turkey 1 0.3%